CVE-2021-22569: A potential Denial of Service issue in protobuf-java

CVE-2021-22569 · Severity: low · CVSS 3.1 · Published 2022-01-07

A potential Denial of Service issue in protobuf-java

Technologies: com.google.protobuf:protobuf-java (Maven), com.google.protobuf:protobuf-kotlin (Maven), google-protobuf (RubyGems). Vendors: Maven, RubyGems.

Quick answers

Is CVE-2021-22569 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-22569 being exploited in the wild.
How severe is CVE-2021-22569?
Low severity, with a CVSS score of 3.1, published 7 January 2022.
Which products and versions are affected?
com.google.protobuf:protobuf-java (Maven) ECOSYSTEM:introduced=0,fixed=3.16.1; com.google.protobuf:protobuf-kotlin (Maven) ECOSYSTEM:introduced=3.18.0,fixed=3.18.2; google-protobuf (RubyGems) ECOSYSTEM:introduced=0,fixed=3.19.2.
Is there a fix for CVE-2021-22569?
Yes. com.google.protobuf:protobuf-java (Maven): upgrade to 3.16.1 or later; com.google.protobuf:protobuf-kotlin (Maven): upgrade to 3.18.2 or later; google-protobuf (RubyGems): upgrade to 3.19.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-22569?
Check whether you run com.google.protobuf:protobuf-java (Maven), com.google.protobuf:protobuf-kotlin (Maven) or google-protobuf (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • com.google.protobuf:protobuf-java (Maven): upgrade to 3.16.1 or later
    # set com.google.protobuf:protobuf-java to 3.16.1 in your pom.xml or build.gradle
  • com.google.protobuf:protobuf-kotlin (Maven): upgrade to 3.18.2 or later
    # set com.google.protobuf:protobuf-kotlin to 3.18.2 in your pom.xml or build.gradle
  • google-protobuf (RubyGems): upgrade to 3.19.2 or later
    bundle update google-protobuf

Affected products

  • com.google.protobuf:protobuf-java (Maven) ECOSYSTEM:introduced=0,fixed=3.16.1
  • com.google.protobuf:protobuf-kotlin (Maven) ECOSYSTEM:introduced=3.18.0,fixed=3.18.2
  • google-protobuf (RubyGems) ECOSYSTEM:introduced=0,fixed=3.19.2

Identifiers

  • CVE-2021-22569
  • GHSA-wrvw-hg22-4m67

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